B01D 2201/282
Filtering elements with a horizontal rotation or symmetry axis
B01D2201/282 (Filtering elements with a horizontal rotation or symmetry axis) appears on 211 US grants and 43 published applications in this corpus.
Search patents in B01D- Granted patents
- 211
- Published applications
- 43
- Assignees
- 135
- Inventors
- 337
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 10 | 0 |
| 1979 | 13 | 0 |
| 1980 | 10 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 10 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 12 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 13 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 4 |
| 2019 | 0 | 0 |
| 2020 | 0 | 4 |
| 2021 | 2 | 5 |
| 2022 | 3 | 5 |
| 2023 | 5 | 7 |
| 2024 | 3 | 5 |
| 2025 | 3 | 1 |
| 2026 | 6 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter apparatus with pivotable filter cartridge11 Aug 2026US 12,702,940 B2Robert Bosch GmbH
- Filter apparatus and clothes treating apparatus having the same21 Jul 2026US 12,686,962 B2Samsung Electronics Co., Ltd.
- Recycling method and system for biomass raw material14 Jul 2026US 12,678,844 B1
- Self-cleaning intake filter9 Jun 2026US 12,649,118 B2Wairere Research Limited
- Water pumps for landscape water26 May 2026US 12,638,017 B2Suzhou University of Science and Technology
- Water pumps for landscape water12 Jun 2025US 2025/0188939 A1Suzhou University of Science and Technology
- Systems and methods for in-line filtering of debris in swimming pools and spas26 Dec 2024US 2024/0424433 A1Zodiac Pool Systems LLC
- Filter Sector Assembly of a Disc Filter13 Jun 2024US 2024/0189745 A1Valmet Technologies Oy
- Water pumps for urban water landscapes30 May 2024US 2024/0175449 A1Suzhou University of Science and Technology
- Filter Apparatus with Pivotable Filter Cartridge16 May 2024US 2024/0157276 A1Robert Bosch GmbH
Most cited
By later US patents
- Rotary drum filter with reciprocating nozzle means70US 5,470,472 ADorr-Oliver Incorporated · 1995
- Onstream backflush filter55US 3,994,810 ABrunswick Corporation · 1976
- Friction welding process and filter formed thereby55US 5,049,274 AFiltertek Inc. · 1991
- Apparatus for mechanical purification of waste water54US 4,639,315 AMecapec S.A. · 1987
- Conical screen basket centrifuge53US 5,378,364 ABaker Hughes Incorporated · 1995